<template>
	<view class="">
		<view class="cart-container" v-if="cart.length !== 0">
			<!-- 收获地址组件 -->
			<my-address></my-address>
			<!-- 分割图片 -->
			<view class="img">
				<image src="../../static/cart_border@2x.png" mode=""></image>
			</view>

			<!-- 购物车商品列表标题区 -->
			<view class="cart-title">
				<uni-icons type="shop" size="25"></uni-icons>
				<text class="cart-title-text">购物车</text>
			</view>
			<!--  滑块 -->
			<!-- uni-swipe-action 是最外层包裹性质的容器 -->
			<uni-swipe-action>
				<!-- 商品列表区 -->
				<view v-for="(item,index) in cart" :key="index">
					<!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
					<uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(item)">
						<my-goods :item="item" :showRadio="true" @radio-change="radioChangeHandler"
							@num-change="numberChangeHandler">
						</my-goods>
					</uni-swipe-action-item>
				</view>
			</uni-swipe-action>
			<!-- 结算组件 -->
			<my-settle></my-settle>
		</view>
		<!-- 空白购物车区域 -->
		<view class="empty-cart" v-else>
			<image src="@/static/tab_icons/cart.png" class="empty-img"></image>
			<text class="tip-text">购物车竟然是空的 ？</text>
			<text class="tip-text">再忙，也要记得买点什么犒赏自己诶~</text>
		</view>
	</view>

</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	import {
		mapState,
		mapMutations
	} from "vuex"
	export default {
		mixins: [badgeMix],
		computed: {
			...mapState('m_cart', ['cart']),

		},
		data() {
			return {
				options: [{
					text: '删除', // 显示的文本内容
					style: {
						backgroundColor: '#C00000' // 按钮的背景颜色
					}
				}]
			};
		},
		methods: {
			...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
			...mapMutations('m_user', ['updateUserInfo']),
			// 商品的勾选状态发生了变化
			radioChangeHandler(e) {
				this.updateGoodsState(e)
				// console.log(e)
			},
			// 商品的数量发生了变化
			numberChangeHandler(e) {
				this.updateGoodsCount(e)
			},
			// 点击了滑动操作按钮
			swipeActionClickHandler(item) {
				this.removeGoodsById(item.goods_id)
			}

		}
	}
</script>

<style lang="scss">
	.img {
		image {
			width: 100%;
			height: 14rpx;
		}

	}

	.cart-title {
		height: 100rpx;
		border-bottom: 1px solid #ccc;
		line-height: 100rpx;

		.cart-title-text {
			margin-left: 20rpx;
			padding-bottom: 10rpx;
		}
	}

	.cart-container {
		padding-bottom: 50px;
	}

	.empty-cart {
		display: flex;
		flex-direction: column;
		align-items: center;
		padding-top: 150px;

		.empty-img {
			width: 90px;
			height: 90px;
		}

		.tip-text {
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>
